Hi, would like to be asked every time I load a CD or DVD, which system to use. Similar to the dialog box that opens when inserting a USB device. Or do I just have to make sure I have the correct setting before putting the Disk into the slot. MacBook Pro with 10.7.4, Parallels 7, Windows Xp, Windows 7, 2.66 GHz Intel Core 2 Due, 8GB 1333 MHz DDR3